Add options and a browser-action popup.

go-back-with-backspace/manifest.json

Index: go-back-with-backspace/manifest.json
diff --git a/go-back-with-backspace/manifest.json b/go-back-with-backspace/manifest.json
index f16ae59a180b44df4e244fbe2f7402ffc04aa724..9d314c8242a48d5d7f3db07bb522308d7cdb53d3 100644
--- a/go-back-with-backspace/manifest.json
+++ b/go-back-with-backspace/manifest.json
@@ -2,7 +2,7 @@
   "name": "__MSG_extensionName__",
   "description": "__MSG_extensionDescription__",
   "default_locale": "en",
-  "version": "1.5",
+  "version": "1.6",
   "manifest_version": 2,
   "minimum_chrome_version": "52",
   "icons": {
@@ -15,6 +15,13 @@
     "scripts": ["background.js"],
     "persistent": false
   },
+  "browser_action": {
+    "default_icon": {
+      "19": "icons/icon19.png",
+      "38": "icons/icon38.png"
+    },
+    "default_popup": "pages/popup.html"
+  },
   "content_scripts": [
     {
       "matches": ["<all_urls>"],
@@ -22,5 +29,13 @@
       "all_frames": true,
       "run_at": "document_start"
     }
+  ],
+  "options_ui": {
+    "page": "pages/options.html",
+    "chrome_style": true
+  },
+  "permissions": [
+    "storage",
+    "activeTab"
   ]
 }